JBL Charge 5 vs Earfun Uboom Slim

Last updated: September 30, 2026

Short answer: the JBL Charge 5. It ranks #28 of 150 medium speakers by sound quality, rated 4.0/5, at $139.95. The Earfun Uboom Slim ranks #41, rated 3.7/5, at $79, $60.95 cheaper, which does not close the gap in sound quality.

JBL Charge 5 vs Earfun Uboom Slim

Why pick the JBL Charge 5: Doubles as a power bank (USB-A out) for charging your phone. The catch: Not stereo.

What the Earfun Uboom Slim does well: Excellent pricing, strong waterproof build (IPX7), good battery life (16 hours), smooth sound with volume compensation, speakerphone capability. The catch: Not as deep bass as others.

Buy the JBL Charge 5. It is rated higher for sound quality, and the $60.95 saving on the Earfun Uboom Slim is not enough to make up the difference.

Still deciding? The full Portable Bluetooth rankings cover every ranked option.

Specifications Side By Side

JBL Charge 5 Earfun Uboom Slim
Price$139.95$79
Ranked#28 of 150 in Medium Size Portable Bluetooth Speakers#41 of 150 in Medium Size Portable Bluetooth Speakers
AppYesNo
Bass Extension (-10dB)53Hz~63Hz
Battery Life20 hours (Manufacturer specified)16 hours (Manufacturer specified)
EQYes (3 band)No
Bluetooth Latency125ms-
Maximum SPL99dB (measured by Alan Ross Reviews)-
Party ModeYes (PartyBoost up to 100 speakers)-
Power BankYes (USB-A, 5V/2A)-
StereoNoYes
OmnidirectionalNoNo
TWSYesYes
Weight2.1 lbs (960 g)1.2 lbs (560 g)
Aux InputNoYes
BluetoothYesYes
Bluetooth CodecsAAC, SBCSBC
Bluetooth Version5.15.2
Dimensions8.8” x 3.8” x 3.7” (223 x 96.5 x 94 mm)2.6”H x 7.1”W x 2.6”D (65 x 180 x 65 mm)
Drivers53mm x 93mm woofer, 20mm tweeter45mm speaker drivers
Frequency Response60Hz - 20kHz (Manufacturer specified)-
IP RatingIP67IPX7
Power InputUSB-CUSB-C
Amplifier Power40W20W
Built-in MicrophoneYes (dual microphones)Yes
Digital Aux InputNoNo
StrapNo-

More top alternatives to JBL Charge 5:

Prices on this page were last checked September 30, 2026 at 2:57 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

As an eBay Partner, we may be compensated if you make a purchase.

The Two Speakers In Full

JBL Charge 5: $139.95 Amazon B&H Photo Video eBay

JBL Charge 5 ranking card

Newer model: the JBL Charge 6, ranked higher, rated 4.2/5.

Pros: Doubles as a power bank (USB-A out) for charging your phone. IP67 rated, survives a 1m dunk for 30 minutes. ~20 hour battery life. Measured bass extension of 53Hz (-10dB).

Cons: Not stereo. Warm sound. Shouty upper mids. Boosted bass. Slightly rolled off treble. Overly expensive.

Amplifier Power40W
AppYes
Aux InputNo
Bass Extension (-10dB)53Hz
Battery Life20 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsAAC, SBC
Bluetooth Latency125ms
Bluetooth Version5.1
Built-in MicrophoneYes (dual microphones)
Digital Aux InputNo
Dimensions8.8” x 3.8” x 3.7” (223 x 96.5 x 94 mm)
Drivers53mm x 93mm woofer, 20mm tweeter
EQYes (3 band)
Frequency Response60Hz - 20kHz (Manufacturer specified)
IP RatingIP67
Maximum SPL99dB (measured by Alan Ross Reviews)
OmnidirectionalNo
Party ModeYes (PartyBoost up to 100 speakers)
Power BankYes (USB-A, 5V/2A)
Power InputUSB-C
StereoNo
StrapNo
TWSYes
Weight2.1 lbs (960 g)

Earfun Uboom Slim: $79 eBay

Earfun Uboom Slim ranking card

Pros: Excellent pricing, strong waterproof build (IPX7), good battery life (16 hours), smooth sound with volume compensation, speakerphone capability. Measured bass extension of ~63Hz (-10dB).

Cons: Not as deep bass as others. Warm tuned, peaks in the mids and lower treble, rolled off upper treble

Amplifier Power20W
AppNo
Aux InputYes
Bass Extension (-10dB)~63Hz
Battery Life16 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC
Bluetooth Version5.2
Built-in MicrophoneYes
Digital Aux InputNo
Dimensions2.6”H x 7.1”W x 2.6”D (65 x 180 x 65 mm)
Drivers45mm speaker drivers
EQNo
IP RatingIPX7
OmnidirectionalNo
Power InputUSB-C
StereoYes
TWSYes
Weight1.2 lbs (560 g)